116 lines
3.4 KiB
JavaScript
116 lines
3.4 KiB
JavaScript
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import yargs from 'yargs'
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const { argv } = yargs(process.argv.slice(2))
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.usage(
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`Usage:
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$0 [input.css] [OPTIONS] [-o|--output output.css] [--watch|-w]
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$0 <input.css>... [OPTIONS] --dir <output-directory> [--watch|-w]
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$0 <input-directory> [OPTIONS] --dir <output-directory> [--watch|-w]
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$0 <input-glob-pattern> [OPTIONS] --dir <output-directory> [--watch|-w]
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$0 <input.css>... [OPTIONS] --replace`
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)
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.group(
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['o', 'd', 'r', 'map', 'no-map', 'watch', 'verbose', 'env'],
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'Basic options:'
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)
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.option('o', {
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alias: 'output',
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desc: 'Output file',
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type: 'string',
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conflicts: ['dir', 'replace'],
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})
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.option('d', {
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alias: 'dir',
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desc: 'Output directory',
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type: 'string',
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conflicts: ['output', 'replace'],
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})
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.option('r', {
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alias: 'replace',
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desc: 'Replace (overwrite) the input file',
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type: 'boolean',
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conflicts: ['output', 'dir'],
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})
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.alias('m', 'map')
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.describe('map', 'Create an external sourcemap')
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.describe('no-map', 'Disable the default inline sourcemaps')
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.option('w', {
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alias: 'watch',
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desc: 'Watch files for changes and recompile as needed',
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type: 'boolean',
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conflicts: 'replace',
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})
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.option('verbose', {
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desc: 'Be verbose',
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type: 'boolean',
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})
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.option('env', {
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desc: 'A shortcut for setting NODE_ENV',
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type: 'string',
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})
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.group(
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['u', 'parser', 'stringifier', 'syntax'],
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'Options for use without a config file:'
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)
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.option('u', {
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alias: 'use',
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desc: 'List of postcss plugins to use',
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type: 'array',
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})
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.option('parser', {
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desc: 'Custom postcss parser',
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type: 'string',
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})
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.option('stringifier', {
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desc: 'Custom postcss stringifier',
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type: 'string',
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})
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.option('syntax', {
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desc: 'Custom postcss syntax',
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type: 'string',
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})
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.group(['ext', 'base'], 'Options for use with --dir:')
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.option('ext', {
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desc: 'Override the output file extension; for use with --dir',
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type: 'string',
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implies: 'dir',
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})
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.option('base', {
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desc: 'Mirror the directory structure relative to this path in the output directory, for use with --dir',
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type: 'string',
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implies: 'dir',
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})
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.group(['include-dotfiles', 'poll', 'config'], 'Advanced options:')
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.option('include-dotfiles', {
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desc: 'Enable glob to match files/dirs that begin with "."',
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type: 'boolean',
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})
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.option('poll', {
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desc: 'Use polling for file watching. Can optionally pass polling interval; default 100 ms',
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implies: 'watch',
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})
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.option('config', {
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desc: 'Set a custom directory to look for a config file',
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type: 'string',
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})
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.alias('h', 'help')
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.example('$0 input.css -o output.css', 'Basic usage')
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.example('$0 src/**/*.css --base src --dir build', 'Glob Pattern & output')
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.example(
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'cat input.css | $0 -u autoprefixer > output.css',
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'Piping input & output'
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)
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.epilog(
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`If no input files are passed, it reads from stdin. If neither -o, --dir, or --replace is passed, it writes to stdout.
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If there are multiple input files, the --dir or --replace option must be passed.
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Input files may contain globs (e.g. src/**/*.css). If you pass an input directory, it will process all files in the directory and any subdirectories, respecting the glob pattern.
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For more details, please see https://github.com/postcss/postcss-cli`
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)
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if (argv.ext && argv.ext.indexOf('.') !== 0) argv.ext = `.${argv.ext}`
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export default argv
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